Finding the Fourth Proportional to 136,746,259.68, 188,702,670.72 and 74,854,742.88
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Solution
The fourth proportional to 136,746,259.68, 188,702,670.72 and 74,854,742.88 is: 103,295,621.62
Step by Step Solution
- Step 1: Write the proportion equation
136,746,259.68 : 188,702,670.72 = 74,854,742.88 : x - Step 2: Convert to fraction form
136,746,259.68/188,702,670.72 = 74,854,742.88/x - Step 3: Cross multiply
136,746,259.68x = 188,702,670.72 × 74,854,742.88 - Step 4: Simplify right side
136,746,259.68x = 14,125,289,897,514,904 - Step 5: Solve for x
x = 14,125,289,897,514,904/136,746,259.68 - Step 6: Final answer
x = 103,295,621.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.